Convert Centimeter to Kilometer (cm to km)

In next fields, kindly type your value in the text box under title [ From: ] to convert from centimeter to kilometer (cm to km). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].


Centimeter (abbreviation: cm): is a unit of length in the SI metric system, equal to one hundredth of a metre, centi being the prefix for a factor of 1/100. The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.

Kilometer (abbreviation: km): is a unit of length in the SI metric system, equal to one thousand metres (kilo- being the prefix for 1000). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world countries.

How to Convert Centimeters to Kilometers

Example: How many kilometers are equivalent to 99.53 centimeters?


1 centimeters = 1.0E-5 kilometers

99.53 centimeters = Y kilometers

Assuming Y is the answer, and by criss-cross principle;

Y equals 99.53 times 1.0E-5 over 1

(i.e.) Y = 99.53 * 1.0E-5 / 1 = 0.0009953 kilometers

Answer is: 0.0009953 kilometers are equivalent to 99.53 centimeters.

Practice Question: Convert the following units into km:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 4.71 cm

( ii ) 44.1 cm

( iii ) 38.14 cm

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  • USMA
  • NIST

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